package com.zzyl.nursing.service.impl;

import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.TimeUnit;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.vo.NursingLevelVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.NursingLevelMapper;
import com.zzyl.nursing.domain.NursingLevel;
import com.zzyl.nursing.service.INursingLevelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 护理等级Service业务层处理
 * 
 * @author alexis
 * @date 2024-12-30
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService
{
    @Autowired
    private NursingLevelMapper nursingLevelMapper;

    @Autowired
    private RedisTemplate<Object, Object> redisTemplate;

    private static final String NURSING_LEVEL_KEY = "nursingLevel:all";

    /**
     * 查询护理等级
     * 
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id)
    {
        return nursingLevelMapper.selectById(id);
    }

    /**
     * 查询护理等级列表
     * 
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevel> selectNursingLevelList(NursingLevel nursingLevel)
    {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel)
    {
        int insert = nursingLevelMapper.insert(nursingLevel);
        //删除缓存
        clearCache();
        return insert;
    }

    /**
     * 修改护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel)
    {

        int update = nursingLevelMapper.updateById(nursingLevel);
        //删除缓存
        clearCache();
        return update;
    }

    /**
     * 批量删除护理等级
     * 
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids)
    {
        int de = nursingLevelMapper.deleteBatchIds(Arrays.asList(ids));
        clearCache();
        return de;
    }

    /**
     * 删除护理等级信息
     * 
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id)
    {
        int i = nursingLevelMapper.deleteById(id);
        clearCache();
        return i;
    }

    /**
     * 查询护理等级Vo列表
     *
     * @param nursingLevel 条件
     * @return 结果
     */
    @Override
    public List<NursingLevelVo> selectNursingLevelVoList(NursingLevel nursingLevel) {
        return nursingLevelMapper.selectNursingLevelVoList(nursingLevel);
    }
    private void clearCache() {
        redisTemplate.delete(NURSING_LEVEL_KEY);
    }

    /**
     * 获取所有护理等级
     */
    @Override
    public List<NursingLevel> listAll() {
        //1.查询缓存
        List<NursingLevel> list  =(List<NursingLevel>) redisTemplate.opsForValue().get(NURSING_LEVEL_KEY);

        //2.若缓存中有，则直接返回
        if (CollUtil.isNotEmpty( list)){
            return list;
        }

        //3.若缓存中没有，则需要查询数据库
        //查询状态为1的护理等级
        LambdaQueryWrapper<NursingLevel> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(NursingLevel::getStatus, 1);
        //查询数据库
         list = list(queryWrapper);

        //4.将数据库中查询到的数据保存到缓存中
        redisTemplate.opsForValue().set(NURSING_LEVEL_KEY,list,24, TimeUnit.HOURS);

        return list;
    }
}
